document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1012481>Question 1012481</A>: <I><SPAN STYLE=\"word-break: break-all;\"> At 3pm Mark left Pittsburg and drove towards Cleveland, 208 km away. At 3:30 pm Carole left Cleveland and headed towards Pittsburg, driving 2 km/h slower than MArk. If there cars passed each other at 4:30, how fast was each driving </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #628419 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=628419\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How much was Mark's head start?<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r+ ALIGN=MIDDLE  ALT=\"+r+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = Marks rate in km/hr<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+ ALIGN=MIDDLE  ALT=\"+d+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = Mark's head start in km<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+1%2F2+ ALIGN=MIDDLE  ALT=\"+t+=+1%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B1%5D+=+r%2At+ ALIGN=MIDDLE  ALT=\"+d%5B1%5D+=+r%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B1%5D+=+r%2A%281%2F2%29+ ALIGN=MIDDLE  ALT=\"+d%5B1%5D+=+r%2A%281%2F2%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Start a stopwatch when Carole leaves Cleveland<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+ ALIGN=MIDDLE  ALT=\"+d+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = distance Carole travels until they meet<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r+-+2+ ALIGN=MIDDLE  ALT=\"+r+-+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = Carole's rate in km/hr<BR>\n" );
document.write( "From 3:30 to 4:30 is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1+ ALIGN=MIDDLE  ALT=\"+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr, so<BR>\n" );
document.write( "Carole's equation is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+%28+r+-+2+%29%2A1+ ALIGN=MIDDLE  ALT=\"+d+=+%28+r+-+2+%29%2A1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "Mark's equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+208+-+r%2A%281%2F2%29+-+%28+r+-+2+%29%2A1+=+r%2A1+ ALIGN=MIDDLE  ALT=\"+208+-+r%2A%281%2F2%29+-+%28+r+-+2+%29%2A1+=+r%2A1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+208+-+r%2F2+-+r+%2B+2+=+r+ ALIGN=MIDDLE  ALT=\"+208+-+r%2F2+-+r+%2B+2+=+r+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r+%2B+r+%2B+r%2F2+=+210+ ALIGN=MIDDLE  ALT=\"+r+%2B+r+%2B+r%2F2+=+210+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%285%2F2%29%2Ar+=+210+ ALIGN=MIDDLE  ALT=\"+%285%2F2%29%2Ar+=+210+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r+=+%282%2F5%29%2A210+ ALIGN=MIDDLE  ALT=\"+r+=+%282%2F5%29%2A210+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r+=+84+ ALIGN=MIDDLE  ALT=\"+r+=+84+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km/hr<BR>\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r+-+2+=+82+ ALIGN=MIDDLE  ALT=\"+r+-+2+=+82+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km/hr<BR>\n" );
document.write( "Mark's rate was 84 km/hr<BR>\n" );
document.write( "Carole's rate was 82 km/hr<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "Carole's distance:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+%28+r+-+2+%29%2A1+ ALIGN=MIDDLE  ALT=\"+d+=+%28+r+-+2+%29%2A1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+82+ ALIGN=MIDDLE  ALT=\"+d+=+82+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km<BR>\n" );
document.write( "Mark must have traveled <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+208+-+82+=+126+ ALIGN=MIDDLE  ALT=\"+208+-+82+=+126+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km<BR>\n" );
document.write( "in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3%2F2+ ALIGN=MIDDLE  ALT=\"+3%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" > hrs at <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+84+ ALIGN=MIDDLE  ALT=\"+84+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km/hr<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+126+=+84%2A%283%2F2%29+ ALIGN=MIDDLE  ALT=\"+126+=+84%2A%283%2F2%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+126+=+126+ ALIGN=MIDDLE  ALT=\"+126+=+126+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );